You are viewing the site in preview mode

Skip to main content

Advertisement

Table 3 Hemagglutination antibody titers of schoolchildren participant sera obtained before, after vaccination and post-season during three consecutive years

From: Geographical heterogeneity and influenza infection within households

  1st Year 2nd Year 3rd Year
  TIV(-) TIV(+) P TIV(-) TIV(+) P TIV(-) TIV(+) P
  N = 59 N = 65   N = 172 N = 99   N = 67 N = 162  
Pre-vaccination          
HI-titer40          
  H1N1 - -   155(0.90) 91(0.92)   45(0.67) 124(0.77)  
  H3N2 - -   142(0.83) 77(0.78)   17(0.25) 58(0.36)  
  B - -   44(0.26) 26(0.26)   49(0.73) 104(0.64) *
GMT #          
  H1N1 - -   263.78(211.80,315.75) 412.83(246.23,579.42) * 82.76(60.50,105.02) 89.38(75.14,103.62)  
  H3N2 - -   210.26(168.06,252.46) 245.91(166.90,324.92)   52.54(20.37,84.70) 85.40(57.74,113.06)  
  B - -   25.76(21.17,30.34) 30.81(22.25,39.36)   69.18(53.71,84.65) 75.43(54.95,95.92)  
Post-vaccination          
HI-titer40          
  H1N1 33(0.56) 60(0.92) * 112(0.65) 61(0.62)   37(0.55) 132(0.81) *
  H3N2 51(0.86) 59(0.91)   114(0.66) 61(0.62)   6(0.09) 49(0.30) *
  B 26(0.44) 43(0.66) * 72(0.42) 39(0.39)   23(0.34) 73(0.45)  
GMT #          
  H1N1 161.80(91.12,232.48) 422.77(232.82,612.71) * 408.08(306.32,509.84) 324.14(245.96,402.32)   97.76(19.45,176.07) 121.33(100.60,142.06)  
  H3N2 353.93(253.05,454.81) 411.41(312.73,510.09)   487.59(407.64,567.53) 455.61(368.75,542.46)   20.82(12.91,28.73) 61.82(41.07,82.57) *
  B 115.74(67.21,164.28) 114.24(83.34,145.14)   46.48(38.09,54.87) 48.59(36.73,60.45)   33.13(24.06,42.21) 44.26(33.37,55.15)  
4-Fold increase (Post vs Pre-vaccination)        
  H1N1 - -   39(0.23) 17(0.17)   11(0.16) 82(0.51) *
  H3N2 - -   60(0.35) 36(0.36)   3(0.04) 15(0.09)  
  B - -   62(0.36) 31(0.31)   0(0.00) 26(0.16) *
Post-season          
HI-titer40          
  H1N1 40(0.68) 60(0.68)   154(0.90) 89(0.90)   45(0.67) 116(0.72)  
  H3N2 48(0.82) 59(0.82)   163(0.95) 95(0.96)   28(0.42) 75(0.46)  
  B 24(0.40) 43(0.40)   167(0.97) 93(0.94)   26(0.39) 68(0.42)  
GMT # - -        
  H1N1 129.26(71.17,187.34) 157.46(68.66,246.25)   570.61(497.40,643.82) 503.08(410.42,595.74)   132.69(87.48,177.89) 90.52(77.27,103.78) *
  H3N2 272.46(159.43,385.48) 209.03(120.55,297.52)   319.04(269.30,368.79) 390.61(316.43,464.78)   99.63(34.88,164.38) 165.77(110.13,221.41)  
  B 40.43(28.70,52.15) 55.53(38.39,72.67)   23.46(20.42,26.50) 24.70(20.09,29.31)   31.34(22.69,40.00) 37.87(28.82,46.92)  
  1. *p < 0.05.
  2. #Numbers in brackets are 95% confidence interval calculated by GEE method.